Module: Pwm

Defined in:
lib/pwm.rb,
lib/pwm/version.rb

Defined Under Namespace

Classes: TooShortException

Constant Summary collapse

VERSION = 
'1.2.2'

Class Method Summary collapse

Class Method Details

.characters ⇒ Object

Internal: The set of characters from which passwords will be assembled. This could be overridden if you don’t like the default.

Returns the set of characters as an Array.



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# File 'lib/pwm.rb', line 12

def self.characters
  (('A'..'Z').to_a  + ('a'..'z').to_a + ('2'..'9').to_a) - %w(I O l)
end

.password(length = 16) ⇒ Object

Public: Generate a password.

length - The length of the password. Minimum is 8. Default is 16.

Examples

Pwm.password
# => 'SPdHeZnn9rut4AUz'

Pwm.password(8)
# => 'oUX4fmqr'

Returns the generated password as a String if length >= 8, or raises exception if length < 8.



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# File 'lib/pwm.rb', line 30

def self.password(length = 16)
  fail Pwm::TooShortException, "#{length} is too short." if length < 8
  password = ''
  until acceptable?(password)
    password = (0..length - 1).reduce('') do |pw, n|
      pw + characters[rand(characters.length)]
    end
  end
  password
end